{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "protein", "cell type", "cell line", "DNA"], "input": "Comparison of a nearly full-length cDNA sequence with the corresponding genomic sequence reveals one small intron and an open reading frame in the second exon ."}
{"RNA": [], "protein": [], "cell type": [], "cell line": [], "DNA": ["nearly full-length cDNA sequence", "genomic sequence", "open reading frame", "exon"]}